1.
Бабак ВП, Чілікин ОВ. Application of the principal components method for the analysis of heart rate variability. Proceedings of National Aviation University [Internet]. 2021 May 5 [cited 2026 Jun. 13];18(3-4):3-7. Available from: http://jrnl.kai.edu.ua/index.php/visnik/article/view/15349